The 5.56 x 45mm NATO Frangible ammo by EBR can be used as indoor range ammunition, and significantly reduces the chance ricochet or over penetration.The RR-Evolution 5.56/7.62 is an advancement in optics that will drastically reduce the learning curve for long range precision shooting.Low Mass Bolt Carrier Group Assembly.223/5.56 - For AR-15 and M16 Rifles, By Anderson Mfg. Availability: In Stock.Arequipa volverá a ser la sede de Perumin, del 21 al 25 de septiembre, pese al riesgo latente de manifestaciones y actos de violencia por parte de los opositores al.